Reference:
968XTP
The 968XTP High Security Magnetic Switch is intended to monitor the open or closed position of moveable assemblies such as doors, windows or machinery safety barriers, where an attempt to defeat the switch is a concern. It provides maximum security for protection of safes, vaults and other high security applications. Utilizing balanced magnetic contacts, the 968XTP is highly defeat resistant. In addition, internal circuitry provides 2400VDC of surge protection.